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CAS 3811-73-2

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Sodium pyrithione

Description:
Sodium pyrithione, with the CAS number 3811-73-2, is a chemical compound that serves primarily as an antimicrobial and antifungal agent. It is the sodium salt of pyrithione, a heterocyclic compound known for its effectiveness against a variety of microorganisms, including bacteria and fungi. Sodium pyrithione is typically a white to off-white powder that is soluble in water, making it suitable for various applications in personal care products, such as shampoos and skin treatments, particularly for conditions like dandruff and seborrheic dermatitis. Its mechanism of action involves the inhibition of cellular respiration in fungi and bacteria, disrupting their growth. Additionally, sodium pyrithione is recognized for its stability and low toxicity, which contributes to its widespread use in cosmetic formulations and industrial applications, including coatings and plastics. However, it is essential to handle it with care, as it can cause skin irritation in some individuals. Overall, sodium pyrithione is valued for its broad-spectrum antimicrobial properties and versatility in various formulations.
Formula:C5H5NOS·Na
InChI:InChI=1S/C5H5NOS.Na/c7-6-4-2-1-3-5(6)8;/h1-4,8H;
InChI key:InChIKey=XDILZEPJCPEDLT-UHFFFAOYSA-N
SMILES:SC=1N(=O)=CC=CC1.[Na]
Synonyms:
  • 1-Oxo-2-pyridinethiol sodium salt
  • 2-Mercaptopyridine 1-oxide sodium salt
  • 2-Mercaptopyridine oxide sodium salt
  • 2-Mercaptopyridine-N-oxide sodium salt
  • 2-Pyridinethiol N-oxide sodium salt
  • 2-Pyridinethiol, 1-Oxide, Sodium Salt (1:1)
  • 2-Pyridinethiol, 1-oxide, sodium deriv.
  • 2-Pyridinethiol-1-Oxide Sodium Salt
  • 2-Pyridylthiol-N-oxide sodium salt
  • 2-thioxopyridin-1(2H)-olate
  • See more synonyms
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